Yamaha YZF-R125 Service Manual: Disassembling the front fork legs
The following procedure applies to both of the front fork legs.
1. Remove:
- Rubber cap
- Clip "1"
- Front fork cap "2" (with O-ring)
- Fork spring
NOTE:
Push the front fork cap in the direction of the arrow shown in the illustration to remove the clip.
2. Drain:
- Fork oil
NOTE:
Stroke the inner tube several times while draining the fork oil.
3. Remove:
- Dust seal "1"
- Oil seal clip "2" (with a flat-head screwdriver)
| CAUTION: Do not scratch the inner tube.
|
4. Remove:
- Damper rod bolt "1"
- Damper rod
NOTE:
While holding the damper rod with the damper
rod holder "2" and T-handle "3", loosen the
damper rod bolt. 
Removing the front fork legs
The following procedure applies to both of the
front fork legs.
1. Stand the vehicle on a level surface.
WARNINGSecurely support the vehicle so that there
is
no danger of ...
Checking the front fork legs
The following procedure applies to both of the
front fork legs.
1. Check:
Inner tube
Outer tube
Bends/damage/scratches
Replace.
WARNINGDo not attempt to straighten a bent inner ...
Other materials:
Fi system
The fuel pump delivers fuel to the fuel injector via the fuel filter. The
pressure regulator maintains the
fuel pressure that is applied to the fuel injector at only 250 kPa (2.50 kg/cm²,
36.3 psi). Accordingly,
when the energizing signal from the ECU energizes the fuel injector, the fuel ...
Removing the valves
The following procedure applies to all of the
valves and related components.
NOTE:
Before removing the internal parts of the cylinder
head (e.g., valves, valve springs, valve seats),
make sure the valves properly seal.
1. Check:
Valve sealing
Leakage at the valve seat Check
the valve
...
Installing the swingarm
1. Lubricate:
Bearings
Spacers
Dust covers
Pivot shaft
2. Install:
Bearings "1"
2. Swingarm
A. Left side
B. Right side
3. Install:
Swingarm adjusting collar "1"
Swingarm "2"
Pivot shaft
Pivot shaft nut "3"
a. Install, and then fully turn in the swingarm adju ...